docs: def stelab(pobj, vobs):
      """
      Correct the apparent position of an object for stellar
      aberration.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/stelab_c.html
  
      :param pobj: Position of an object with respect to the observer.
      :type pobj: 3-Element Array of floats
      :param vobs:
                  Velocity of the observer with respect
                  to the Solar System barycenter.
      :type vobs: 3-Element Array of floats
      :return:
              Apparent position of the object with respect to
              the observer, corrected for stellar aberration.
      :rtype: 3-Element Array of floats
      """
      pobj = stypes.toDoubleVector(pobj)
      vobs = stypes.toDoubleVector(vobs)
      appobj = stypes.emptyDoubleVector(3)
      libspice.stelab_c(pobj, vobs, appobj)
      return stypes.cVectorToPython(appobj)